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P2004 Diagnostic Trouble Code Discussion for April 2012

Intake Manifold Runner Control Stuck Open


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Trouble Ticket Help Requests for DTC P2004
Help Request Posted
2002 Mercedes-Benz S500 5.0L Poor Idle Quality, Surge, Cuts out, MIL Lamp on VIN: WDBNG75J92
... is driving me nuts.Keeps setting mass air flow code p2004-004 (p0104)No matter what we do. And idle Quality sucks when code is present. Clear codes runs great until 2nd key cycle then check engine light comes on and idle goes to crap. My data indicates lea...
April 24, 2012